docs: def tqdm(self, desc, total, leave, initial=0):
          """
          Extension point. Override to provide custom options to tqdm_notebook initializer.
          :param desc: Description string
          :param total: Total number of updates
          :param leave: Leave progress bar when done
          :return: new progress bar
          :param initial: Initial counter state
          """
          return tqdm_notebook(desc=desc, total=total, leave=leave, initial=initial)